Switching hub



FIG. 1 is a front elevation view of a switching hub showing our newdesign;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a right side view thereof; and,

FIG. 6 is a left side view thereof.

The ornamental design for a switching hub, as shown.